package top.lingchen.spring5.config;

import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;

/**
 * @Author 凌宸
 * @create 2021-12-01 上午 12:10
 * @Description
 * @Version 1.0
 */
@Configuration // 配置类
@ComponentScan(basePackages = {"top.lingchen.spring5"}) // 组件扫描
@EnableTransactionManagement // 开启事务
public class TxConfig {
    // 创建数据库连接池
    @Bean
    public DruidDataSource getDruidDataSource(){
        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql:///user_db?serverTimezone=UTC&serverTimezone=Asia/Shanghai");
        dataSource.setUsername("root");
        dataSource.setPassword("123456");
        return dataSource;
    }
    // jdbcTemplate 模板对象
    @Bean
    public JdbcTemplate getJdbcTemplate(DataSource dataSource){
        JdbcTemplate jdbcTemplate = new JdbcTemplate();
        // 注入 dataSource
        jdbcTemplate.setDataSource(dataSource);
        return jdbcTemplate;
    }
    // 创建事务管理器
    // @Bean
    public DataSourceTransactionManager getDataSourceTransactionManager(DataSource dataSource){
        DataSourceTransactionManager transactionManager = new DataSourceTransactionManager();
        transactionManager.setDataSource(dataSource);
        return transactionManager;
    }
}
